Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 1: Electronics in the home (Part 2)

Nội dung text: Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 1: Electronics in the home (Part 2)

1. CONTENTS • Reading for a purpose • Understanding diagrams • Describing block diagrams and circuits • Describing diagrams
2. Understanding diagrams • diagram /'daiəgrổm/ • combine /'kɔmbain/ • information /infə'meinʃn/
3. TASK 6 • approach /ə'proutʃ/ • focus /'foukəs/ • function /'fʌɳkʃn/
4. TASK 6 • complicated /'kɔmplikeitid/ • basic /'beisik/ • connect /kə'nekt/ • signal /'signl/ • figure /'figə/
5. TASK 6 • aerial /'eəriəl/ • tuner /'tju:nə/ • detector /di'tektə/ • AF amp = audio frequency amplifier /'ɔ:diəu/ /'fri:kwənsi/ /'ổmplifaiə/ • volume /'vɔljum/ • speaker /'spi:kə/
6. TASK 6 • component /kəm'pounənt/ • require/ri'kwaiə/ • detector /di'tektə/ • separate /'seprit/
7. TASK 6 • connection /kə'nekʃn/ • value /'vổlju:/ • symbol /'simbəl/
8. TASK 6
9. TASK 6 • The two types of diagrams shown in the text are called block diagram and circuit diagram. • We call it block diagram
10. TASK 7 • There are 12 circuit symbols in Fig.2.
11. TASK 7
12. NOTE • resistor /ri'zistə/ • potentiometer /pə,tenʃi'ɔmitə/ • capacitor /kə´pổsitə/ • electrolytic /i'lektrou'litik/ • variable /'veəriəbl/ • inductor /in'dʌktə/ • diode /'daioud/ • bipolar transistor /bai'poulə/ /trổn'sistə/
13. TASK 7
14. NOTE • consist/kən'sist/ • compose/kəm'pouz/ • comprise/kəm'praiz/
15. TASK 8
16. TASK 8 1kΩ →a one kilo ohm resistor 5-65pF→ a five-to-sixty-five picofarad capacitor 47kΩ→ a forty-seven kilo ohm resistor 10μF→ a ten microfarad electrolytic capacitor 5kΩ→ a five-kilo ohm potentiometer 470μH→ a four-hundred-and-seventy- microhenry inductor
17. TASK 8